<html>                                                                  
  <head>                                                                  
    <script type="text/javascript" src="jquery.js"></script>          
    <script type="text/javascript">                                       
        $(document).ready(function() {
            $("a").click(function() {
                alert("Hello world!");
            });
            jQuery.get('http://holkevisser.nl/foo.txt', function(data) {
                alert(data);
            });            
        }); 
    </script>                                                             
  </head>                                                                 
  <body>                                                                  
    <a href="">Link</a>
  </body>                                                                 
  </html>
 